different between caustic vs pervasive

English

Etymology

From the Latin causticus (“burning”), from the Ancient Greek ????????? (kaustikós, “burning”).

Pronunciation

• enPR: kôs't?k, k?s't?k, IPA^(key): /?k??st?k/, /?k?st?k/
• Rhymes: -??st?k

Adjective

caustic (comparative more caustic, superlative most caustic)

1. Capable of burning, corroding or destroying organic tissue.
2. (of language, etc.) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
   • 1853, Charlotte Brontë, Villette

     Madame Beck esteemed me learned and blue; Miss Fanshawe, caustic, ironic, and cynical

   • c. 1930, W.H.Auden, "The Quest"

     though he came too late / To join the martyrs, there was still a place / Among the tempters for a caustic tongue / / To test the resolution of the young / With tales of the small failings of the great

Synonyms

• (capable of destroying tissue): acidic, biting, burning, corrosive, searing
• (severe, sharp): bitchy, biting, catty, mordacious, nasty, sarcastic, scathing, sharp, spiteful, vitriolic

Derived terms

Related terms

Translations

Noun

caustic (plural caustics)

1. Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
2. (optics, computer graphics) The envelope of reflected or refracted rays of light for a given surface or object.
3. (mathematics) The envelope of reflected or refracted rays for a given curve.
4. (informal, chemistry) Caustic soda.

Derived terms

• lunar caustic

Translations

English

Etymology

From Latin perv?sus, from perv?d? (“spread through, pervade”), from per (“through”) + v?d? (“go, walk”).

Pronunciation

• (Received Pronunciation) IPA^(key): /p??ve?.s?v/
• (US) IPA^(key): /p??ve?.s?v/

Adjective

pervasive (comparative more pervasive, superlative most pervasive)

1. Manifested throughout; pervading, permeating, penetrating or affecting everything.

   The medication had a pervasive effect on the patient's health.

Synonyms

• (manifested throughout): penetrating, permeating, pervading

Related terms

Translations

German

Adjective

pervasive

1. inflection of pervasiv:
   1. strong/mixed nominative/accusative feminine singular
   2. strong nominative/accusative plural
   3. weak nominative all-gender singular
   4. weak accusative feminine/neuter singular

Italian

Adjective

pervasive

1. feminine plural of pervasivo